Hi doc am having this chest pain from last 2 3 years.. mostly it comes with climbing stairs or exertion but sometimes even if i continue treadmill till 160 pulse pain doesnt come but sometimes it comes even with small exertion lyk i got up from bed from prolonged resting.. pain is burning kind in chest upper back and sometimes to left arm.. have done ecg, echo tmt all were normal.. should i go fr ct angio ?? Am 5,3 with 57 kg weight..